Thermal body



FIG. 1 is a front perspective view of the first embodiment of a thermal body, showing my new design; and,

FIG. 2 is a front perspective view of the second embodiment of a thermal body, showing my new design.

The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a thermal body, as shown and described. 